Shizuka Itō (伊藤 静, Itō Shizuka, born December 5, 1980) is a Japanese voice actress and singer from Tokyo, Japan. She is represented by Ken Production. She won a "Best Actress in Supporting Roles" award at the 10th Seiyu Awards for her roles in Prison School and Sailor Moon Crystal. She is well known for her anime voice roles as Hilda in Beelzebub, Hinagiku Katsura in Hayate the Combat Butler, and many others.
She and fellow voice actress Hitomi Nabatame formed a voice acting unit called "Hitomi Nabatame and Shizuka Itō". Together they are known by the name Hitoshizuku (ひとしずく), which is Japanese for "a single droplet". In 2012, she announced that she had gotten married. On April 30, 2020, Itō announced that she had gotten divorced.